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Chapter 4 - AT Commands, S-Registers and Result Codes
COMMAND: #A
n
VALUES: n = 0 thru 3
DEFAULT: #A0
DESCRIPTION:
#A0 selects initial handshake at 33,600 to 31,200 to 28,800
to 24000 to 21,600 to 19,200 to 16,800 to 14,400 to12,000
to9600 to 4800 to 2400 to 1200 to 300 bps.
#A1 selects initial handshake at 33,600 bps only.
#A2 selects initial handshake at 33,600 to 31,200 to 28,800
to 24000 to 21600 to 19,200 to 16,800 19,200 to 14,400
to 9600 to 4800 bps.
#A3 selects initial handshake at 2400 to 1200 to 300 bps.
COMMAND: &B
n
VALUES: n = 0 or 1
DEFAULT: &B0
DESCRIPTION:
&B0 selects normal transmit buffer size.
&B1 selects reduced transmit buffer size.
COMMAND: &BS
n
VALUES: n = 0 or 1
DEFAULT: &BS1
DESCRIPTION:
&BS0 selects maximum transmit block size of 64 characters.
&BS1 selects maximum transmit block size of 256
characters (MNP mode)/128 characters (LAP-M mode).
COMMAND: B
n
VALUES: n = 0 or 1
DEFAULT: B0
DESCRIPTION:
B0 selects V.21 for 300 bps operation.
B1 selects for 300 bps operation.
(Not used in International Models.)
COMMAND: $BA
n
VALUES: n = 0 or 1
DEFAULT: $BA0
DESCRIPTION:
$BA0 selects speed conversion on.
$BA1 selects speed conversion off.